Feng, Wei
Ji, Guojun
Pardalos, Panos M.
Funding for this research was provided by:
National Natural Science Foundation of China (71571151, 71371159)
National Planning Office of Philosophy and Social Science of China (14AGL015)
Article History
Received: 6 July 2017
Accepted: 29 November 2017
First Online: 13 December 2017